CVE-2026-4253-Scanner

CVE-2026-42530 — Escáner Safe-Check Escáner masivo no destructivo para el use-after-free de NGINX HTTP/3 QUIC Inventario de qué hosts están expuestos — sin desencadenar el fallo. ⚠️ Aviso legal Esta herramienta es solo para pruebas de seguridad autorizadas — tu propia infraestructura o sistemas...

Amazon Linux 2 : nginx (ALASNGINX1-2026-016)

The version of nginx installed on the remote host is prior to 1.30.5-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2NGINX1-2026-016 advisory. NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions =...

Medium: nginx

Issue Overview: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a...

BIT-NGINX-GATEWAY-2026-90439 NGINX ngx_http_v3_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

BIT-NGINX-2026-90439 NGINX ngx_http_v3_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

PT-2026-99002

NGINX Plus and NGINX Open Source have a vulnerability in the ngx http v3 module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner...

PT-2026-99001

NGINX Plus and NGINX Open Source have a vulnerability in the ngx http v3 module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner...

CVE-2026-90439

A flaw was found in NGINX ngxhttpv3module. A limited heap buffer overflow can occur during a Transport Layer Security TLS handshake when using HTTP/3 with certain OpenSSL versions. This vulnerability may allow remote attackers to cause a denial-of-service DoS on the NGINX system. Additionally, it...

nginx: NGINX ngx_http_v3_module: Denial of Service via TLS handshake heap buffer overflow

A flaw was found in NGINX ngxhttpv3module. A limited heap buffer overflow can occur during a Transport Layer Security TLS handshake when using HTTP/3 with certain OpenSSL versions. This vulnerability may allow remote attackers to cause a denial-of-service DoS on the NGINX system. Additionally, it...

Linux Distros Unpatched Vulnerability : CVE-2026-90439

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain...

FreeBSD : nginx -- buffer overflow when using ngx_http_v3_module (7dc8fd4b-b1a7-11f1-a655-3497f65b111b)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 7dc8fd4b-b1a7-11f1-a655-3497f65b111b advisory. The nginx development team reports: Buffer overflow when using ngxhttpv3module CVE-2026-90439. Severity...

SUSE CVE-2026-90439

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

CVE-2026-90439

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

DEBIAN-CVE-2026-90439

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

CVE-2026-90439 NGINX ngx_http_v3_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

CVE-2026-90439

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

Buffer overflow when using ngx_http_v3_module

Buffer overflow when using ngxhttpv3module Severity: medium CVE-2026-90439 Not vulnerable: 1.31.6+, 1.30.5+ Vulnerable: 1.29.2-1.31.5...

CVE-2026-90439

NGINX Plus and Open Source are affected by a heap buffer overflow (CWE-122) in the ngx_http_v3_module when handling HTTP/3 with OpenSSL 3.5.0 or earlier under certain configurations. The overflow occurs during TLS handshake processing in a worker process and is non-deterministic , meaning it is n...

CVE-2026-90439 NGINX ngx_http_v3_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...

EUVD-2026-78585

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpv3module module. When using HTTP/3 with OpenSSL versions = OpenSSL 3.5.0 under certain configurations, a limited heap buffer overflow could happen while processing a TLS handshake. This can happen in a non-deterministic manner th...